gcc/testsuite/g++.old-deja/g++.brendan/enum5.C

// { dg-do assemble  }
// { dg-options "-pedantic-errors" }
// GROUPS passed enums
enum Thing { FIRST, SECOND } ;

int main()
{
    Thing x = FIRST ;
    x = 27 ;          // this line should be a type error.// { dg-error "" } .*
}